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ScienceDaily: Fossils & Ruins News |
| Diet restricted size of hunter-gatherer societies Posted: 08 Nov 2021 01:22 PM PST Short growing seasons limited the possible size of hunter-gatherer societies by forcing people to rely on meat, according to a recent study. After looking at population size for the roughly 300 hunter-gatherer societies which existed until quite recently, the researchers found that many of these groups were much smaller than might have been expected from the local ecosystem productivity. In regions with short growing seasons, hunter-gatherer groups had smaller populations per square kilometre than groups who depended on abundant plant foods throughout the year. |
| Posted: 08 Nov 2021 08:48 AM PST The two-legged dinosaur Issi saaneq lived about 214 million years ago in what is now Greenland. It was a medium-sized, long-necked herbivore and a predecessor of the sauropods, the largest land animals ever to live. The name of the new dinosaur pays tribute to Greenland's Inuit language and means "cold bone". |
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